ROTATING NOZZLE DIE MACHINE FOR DOUGH EXTRUSION
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Nov 6, 2015
filing date -
Oct 22, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary drive nozzle die machine for an extruder includes a rotatable nozzle having first and second axial ends and an opening at the second end, a compression head for directing a food material to the nozzle, and a drive assembly including a tubular drive sleeve configured to rotate the an axially removable nozzle. A housing is provided in which the nozzle rotates, and includes an annular recess. A wire ring coaxially surrounds the nozzle and provides a snap-fit connection with the housing such that relative axial movement of the nozzle and housing is prevented while allowing rotary movement. A rotary seal is between the nozzle and housing, and includes one or more annular washers and an annular O-ring surrounding the rotatable nozzle and located radially between opposed facing annular surfaces of the recess and the nozzle. A first washer contacts an axially outwardly facing surface of the annular recess.
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